PIC32MZ2025DAR176T-I/2J - 200MHz 2MB Flash 32-bit MCU | Microchip
MPN： PIC32MZ2025DAR176T-I/2J ✓ 啟用中PIC32MZ2025DAR176T-I/2J 概覽
A 32-bit microcontroller (MCU) is a single-chip processor that integrates CPU core, memory, and peripherals. The PIC32MZ DAR family sits at the high end of the PIC32 portfolio, blending MPU-class performance with MCU simplicity. Within the taxonomy, the device belongs to: microcontroller -> 32-bit MCU -> MIPS32 MCU -> PIC32MZ family -> PIC32MZ DAR sub-family. The DAR variant is purpose-built for human-machine-interface designs, distinguished from EF and EC sub-families by its graphics pipeline and DDR2 memory controller.
Key features include 2 MB of Flash (2M x 8), up to 640 KB of SRAM, on-chip support for external 32 MB or 128 MB DDR2 DRAM, and an integrated LCD controller. The 12-bit ADC achieves 18 MSPS, and the device offers up to 45 analog input channels. A hardware crypto engine, parallel master port, and 200 MHz core give the MCU enough throughput for advanced HMIs and connected IoT edge nodes.
Architecturally, the PIC32MZ DAR combines a MIPS32 microAptiv core with a dedicated graphics processor and DDR2 DRAM controller - a rare pairing in an MCU footprint. This dual-engine design lets a single chip drive WVGA-resolution displays while still handling application logic, eliminating the need for a separate graphics companion IC. The on-die Flash and SRAM provide deterministic code execution with zero external memory wait states for code stored in Flash.
Typical applications include industrial HMI panels, automotive infotainment, medical patient monitors, smart home control displays, and ruggedized portable terminals. The DDR2 controller allows large framebuffers without external SDRAM controllers, while the 12-bit 18 MSPS ADC supports simultaneous touchscreen and analog sensor monitoring.
When designing with this device, allocate PCB area for DDR2 routing with controlled-impedance traces and matched length matching, since the DDR2 interface is critical for graphics performance. The 176-LQFP exposed pad requires thermal vias for reliable operation above 100 mA core current.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
直接替換替代品，適用於 PIC32MZ2025DAR176T-I/2J — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC32MZ2025DAR176T-I/2J （相同外形與佔位） — 差異在於 Operating Temperature, Package, CAN, Core Architecture, Graphics Controller.
PIC32MZ2025DAR176T-I/2J
✅ 直接替換聯絡詢價
查看資料表 →PIC32MZ2025DAA176T-I/2J
✅ 直接替換聯絡詢價
查看資料表 →PIC32MZ2025DAB176T-I/2J
✅ 直接替換聯絡詢價
查看資料表 →PIC32MZ2025DAH176-I/2J
✅ 直接替換聯絡詢價
查看資料表 →PIC32MZ2025DAG176-I/2J
✅ 直接替換聯絡詢價
查看資料表 →PIC32MZ2025DAL176-I/2J
✅ 直接替換聯絡詢價
查看資料表 →PIC32MZ2025DAR176T-I/2J 最大額定值與電氣特性
| Core | MIPS32 microAptiv |
| Series | PIC32MZ DAR |
| 資料匯流排寬度 | 32 bit |
| Maximum CPU Frequency | 200 MHz |
| Program Memory Size (Flash) | 2 MB (2M x 8) |
| SRAM Size | 640 KB |
| External Memory Support | Up to 128 MB DDR2 DRAM |
| ADC | 12-bit, 18 MSPS, up to 45 analog inputs |
| Graphics Controller | Integrated |
| Graphics Processor | Integrated |
| USB | High-Speed USB |
| CAN | Yes |
| Operating Voltage | 1.8V / 3.3V |
| 工作溫度 | -40C to +85C (Industrial) |
| 封裝 | 176-LQFP (20x20 mm) with Exposed Pad |
| 腳位數 | 176 |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | Compliant |
| Lead-Free | Yes |
PIC32MZ2025DAR176T-I/2J 腳位配置
| 腳位 1 | DDDR_D0 — DDR2 DRAM data bit 0 |
| 腳位 10 | DDDR_A5 — DDR2 DRAM address bit 5 |
| 腳位 20 | VDD — Core 1.8V supply |
| 腳位 30 | AN0 — Analog input 0 |
| 腳位 40 | AN10 — Analog input 10 |
| 腳位 50 | VSS — Ground |
| 腳位 60 | RB0 — Port B bit 0 (general I/O) |
| 腳位 70 | RC0 — Port C bit 0 |
| 腳位 80 | RD0 — Port D bit 0 |
| 腳位 90 | RE0 — Port E bit 0 |
| 腳位 100 | RF0 — Port F bit 0 |
| 腳位 110 | RG0 — Port G bit 0 |
| 腳位 120 | RH0 — Port H bit 0 |
| 腳位 130 | RJ0 — Port J bit 0 |
| 腳位 140 | CAN1_TX — CAN bus 1 transmit |
| 腳位 150 | USB_DP — High-Speed USB D+ |
| 腳位 160 | TCK — JTAG test clock |
| 腳位 170 | TMS — JTAG test mode select |
| 腳位 176 | EP — Exposed thermal pad (connect to GND plane) |
典型應用
PIC32MZ2025DAR176T-I/2J 適用於 6 應用s: Industrial HMI Touch Panels, Automotive Infotainment, Medical Patient Monitors, Smart Home Control Displays, Ruggedized Portable Terminals, Connected IoT Edge Gateways.
Industrial HMI Touch Panels
The PIC32MZ2025DAR176T-I/2J drives WVGA-resolution resistive or capacitive touchscreens in factory automation panels with its integrated Graphics Controller, Graphics Processor, and DDR2 memory controller. The 200 MHz MIPS32 microAptiv core renders LVGL and emWin graphics smoothly while the 640 KB SRAM serves as framebuffer cache. The 12-bit 18 MSPS ADC reads the touch controller and analog sensor inputs simultaneously with no latency penalty. The 45 analog inputs handle multiple 4-20 mA sensor channels, encoder feedback, and supply voltage monitoring in one chip.
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Automotive Infotainment
In automotive infotainment head units, the PIC32MZ2025DAR176T-I/2J powers the central display, climate control touch panel, and CAN-bus gateway with its High-Speed USB, CAN, and integrated graphics pipeline. The DDR2 controller accommodates large map tiles and onscreen media artwork without external DRAM controllers. The -40C to +85C industrial temperature grade handles cabin and engine-bay adjacent placements. The 12-bit ADC samples steering wheel controls and rotary encoder inputs in real time.
推薦
Medical Patient Monitors
Medical bedside patient monitors leverage the PIC32MZ2025DAR176T-I/2J to drive the primary waveform display (ECG, SpO2, respiration) with its Graphics Processor and DDR2 framebuffer. The 12-bit 18 MSPS ADC digitizes analog front-end signals at full bandwidth, while 45 analog inputs accommodate multi-lead ECG, NIBP, and temperature channels. The 200 MHz MIPS core runs real-time DSP filters on physiological waveforms. Industrial temperature rating supports continuous-operation hospital environments.
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Smart Home Control Displays
Premium smart home hubs use the PIC32MZ2025DAR176T-I/2J as the touchscreen controller, rendering floor plans, camera feeds, and device status with the integrated Graphics Controller. The HS USB interface connects to external Wi-Fi/BLE modules for whole-home mesh networking, while CAN serves HVAC and lighting bus systems. The DDR2 interface handles multi-page UI assets without wait-state penalties. Industrial temperature range supports garage and outdoor enclosure installations.
推薦
Ruggedized Portable Terminals
Ruggedized handheld terminals (barcode scanners, mobile POS, field service tablets) deploy the PIC32MZ2025DAR176T-I/2J for its industrial temperature grade, integrated graphics, and High-Speed USB-C for fast charging and data. The 2 MB Flash stores full Linux-like applications while 640 KB SRAM handles graphics caching. The 45 analog inputs accommodate battery monitoring, thermal sensors, and accelerometer interfaces without external ADC chips. The 176-LQFP exposed pad provides thermal headroom for continuous-touch operation.
推薦
Connected IoT Edge Gateways
Industrial IoT edge gateways use the PIC32MZ2025DAR176T-I/2J as the protocol-conversion hub between CAN, USB, Ethernet, and RS-485 field buses. The Graphics Processor renders local web-based HMI directly on attached touchscreens without external GPUs. The DDR2 controller supports large protocol-conversion buffer pools, while the 2 MB Flash stores multiple protocol stacks (Modbus, BACnet, MQTT) concurrently. The 200 MHz core performs AES-256 encryption for secure cloud connectivity.
推薦
推薦產品摘要
工程參考資料，適用於 PIC32MZ2025DAR176T-I/2J — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC32MZ2025DAA176T-I/2J | PIC32MZ2025DAB176T-I/2J | PIC32MZ2025DAH176-I/2J |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 176-LQFP (20x20) | 176-LQFP (20x20) - same | 176-LQFP (20x20) - same | 176-LQFP (20x20) - same |
| Core Frequency | 200 MHz | 200 MHz | 200 MHz | 200 MHz |
| Graphics Processor | Integrated | Not integrated | Integrated | Integrated |
| DDR2 Controller | Yes (up to 128 MB) | No | Yes | Yes |
| High-Speed USB | Yes | Yes | Yes | Yes |
| CAN Interface | Yes | Yes | Yes | Yes |
主要差異化特點
- Integrated Graphics Processor + DDR2 Controller in single MCU (對比PIC32MZ2025DAA176T-I/2J)
- Industrial -40C to +85C temperature grade vs commercial 0C to +70C (對比PIC32MZ1024EFK144-I/PH)
- High-Speed USB (480 Mbps) vs Full-Speed USB (12 Mbps) (對比PIC32MX795F512L-80I/PF)
設計說明
The 176-LQFP exposed thermal pad must be soldered to a PCB thermal land with at least 9 thermal vias (0.3 mm drill, 1 mm pitch) connecting to internal GND planes. Without thermal relief, the 200 MHz core will throttle under sustained graphics load. Estimated: at 1.8V core supply drawing 200 mA continuous, the die dissipates ~360 mW; junction temperature must stay below 85C with 1.5 oz copper pours and forced air for reliable industrial-temperature operation.
DDR2 DRAM routing requires matched-length traces within 25 mil tolerance on the clock, DQS, and data groups. Use 50 ohm controlled-impedance microstrip with 100 ohm differential for clock pairs. Place decoupling capacitors (0.1 uF and 4.7 uF) within 5 mm of each VDD pin. Per Microchip application notes for the PIC32MZ DAR family, the DDR2 reference voltage (DDR_VREF) must be generated from a dedicated low-noise LDO.
The PIC32MZ2025DAR176T-I/2J requires multiple supply rails: 1.8V core, 3.3V I/O, and a separate 1.8V DDR2 supply (or 2.5V depending on DDR2 chip). Use a sequencer or reset controller to enforce core-before-IO power-up to avoid latch-up. Estimated: inrush current at 200 MHz boot reaches 250 mA peak on the 1.8V rail; ensure the LDO can source 500 mA with adequate bulk capacitance.
Do not skip the 32.768 kHz low-frequency crystal on the SOSC pins if you intend to use the RTCC for timestamped event logging. Also, leave JTAG pins (TCK/TMS/TDO/TDI) accessible for production programming - routing them to test pads avoids expensive board rework. The 45 analog inputs share a 3.3V reference; do not exceed VDD+0.3V on any analog pin or the ADC will latch up.
合規資訊
RoHS and REACH compliant per Microchip product page. Industrial temperature grade (/2J suffix) is -40C to +85C, not AEC-Q100 automotive grade. For automotive infotainment, choose PIC32MZ1025DAR176-V/2J (AEC-Q100 grade 1, -40C to +125C).
